Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 492 · 40 sums

The trick (Anurupyena): Pick the working base (like 40 = 4 × 10 or 300 = 3 × 100) and write each number’s difference from it. Cross-add as in trick 3, then multiply that left part by 4 (or 3, 5…). Right part: multiply the differences — 1 digit for a × 10 base, 2 digits for a × 100 base (carry the extra).

1. 1.606 × 601 =
2. 2.79 × 76 =
3. 3.73 × 74 =
4. 4.27 × 29 =
5. 5.596 × 591 =
6. 6.598 × 599 =
7. 7.69 × 67 =
8. 8.56 × 56 =
9. 9.61 × 62 =
10. 10.299 × 293 =
11. 11.39 × 39 =
12. 12.92 × 93 =
13. 13.49 × 49 =
14. 14.303 × 309 =
15. 15.49 × 49 =
16. 16.34 × 34 =
17. 17.24 × 23 =
18. 18.44 × 42 =
19. 19.398 × 398 =
20. 20.63 × 62 =
21. 21.402 × 408 =
22. 22.76 × 79 =
23. 23.393 × 393 =
24. 24.43 × 42 =
25. 25.44 × 41 =
26. 26.501 × 505 =
27. 27.83 × 83 =
28. 28.294 × 299 =
29. 29.202 × 202 =
30. 30.74 × 73 =
31. 31.506 × 508 =
32. 32.36 × 39 =
33. 33.76 × 77 =
34. 34.68 × 69 =
35. 35.72 × 71 =
36. 36.63 × 63 =
37. 37.87 × 87 =
38. 38.84 × 81 =
39. 39.33 × 32 =
40. 40.84 × 83 =

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